consulate in benghazi, libya. nbc's brian mooar has details. >> reporter: was the attack on the u.s. consulate in libya spontaneous or did terrorists use a protest over an anti-islamic film as cover? >> opportunistic extremist elements came to the consulate as this was unfolding. they came with heavy weapons, which unfortunately are readily available in post-revolutionary libya. >> reporter: libya's interim president says it was coordinated, but not by libyans. >> it was planned by foreigners, by people who entered the country few months ago. >> reporter: libyan officials say they've rounded up dozens of suspects. the fbi is hoping to deliver a definitive answer on what happened, but has been unable to reach the consulate in benghazi because it's still too dangerous. the waves of anti-american protests from north africa to asia appear to be ebbing, but critics of current u.s. policy say the protests are not the problem, they're a symptom. >> if we all decide to rally around the video as the problem, we are going t